The Market LogEnter at least 2 characters. Company and ticker searches are not case-sensitive.

Company profile

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND insider acquisitions

Company CIK 0001266585 · Reported insider acquisitions and filing context.

Company filings at SEC ↗
NMZ · NYSE

These are company listings. A transaction is linked to a particular security only when the filing provides enough information.

Company activity summary

By transaction date, as of October 23, 2026.

7 days30 days90 daysOverlapping periods · securities and currencies kept separate

No records are loaded for this 90-day transaction window. This does not establish that no transactions occurred.

Known purchase value sums available amounts for non-derivative purchases only. Missing amounts are excluded. “Currency not specified” does not establish that the amounts share a currency. These summaries use all matching loaded records, while the timeline below covers only the current page.

Transaction timeline

Who reported an acquisition, and when the transaction occurred.

Reported acquisitions by transaction dateEach row is a reporting owner. Select a marker to open its transaction details. Jointly reported transactions appear for each associated reporting owner, without dividing quantities or amounts.BANK OF AMERICA CORP /DE/BANK OF AMERICA CORP /DE/MERRILL LYNCH, PIERCE, FENNER & SMITH INC.MERRILL LYNCH, PIERCE, FE…Banc of America Preferred Funding CorpBanc of America Preferred…BANK OF AMERICA CORP /DE/ · December 19, 2025 · Purchase · COMMON STOCKMERRILL LYNCH, PIERCE, FENNER & SMITH INC. · December 19, 2025 · Purchase · COMMON STOCKBANK OF AMERICA CORP /DE/ · December 11, 2025 · Other acquisition · Adjustable Rate MuniFund Term Preferred SharesBanc of America Preferred Funding Corp · December 11, 2025 · Other acquisition · Adjustable Rate MuniFund Term Preferred SharesBANK OF AMERICA CORP /DE/ · October 10, 2025 · Purchase · COMMON STOCKMERRILL LYNCH, PIERCE, FENNER & SMITH INC. · October 10, 2025 · Purchase · COMMON STOCKOct 10, 2025Dec 19, 2025
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

3 dated transactions · 3 of 3 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Dec 19, 2025NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDCOMMON STOCKBANK OF AMERICA CORP /DE/ · MERRILL LYNCH, PIERCE, FENNER & SMITH INC.Purchase
Dec 11, 2025NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDAdjustable Rate MuniFund Term Preferred SharesBANK OF AMERICA CORP /DE/ · Banc of America Preferred Funding CorpOther acquisition
Oct 10, 2025NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDCOMMON STOCKBANK OF AMERICA CORP /DE/ · MERRILL LYNCH, PIERCE, FENNER & SMITH INC.Purchase

Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.

Share price & reported acquisitions

Daily closing prices from a separate source. The date window above also filters prices; reporting-owner and transaction-type selections filter the markers.

Price history is not available

Market-price history is not connected yet.

NMZ · Currency not specified. A marker uses that day's closing price, not the reported transaction price. No price is substituted for a missing trading day.

Reported acquisitions

Filing-date filters apply to the list and timeline. The summary above uses transaction dates.

Reset
Reported insider acquisitions, ordered by filing date, newest first. Currency is shown only when reported.
Filed / transactedReporting ownersType / securityQuantityPrice / reference valueDetails
Trade:
MERRILL LYNCH, PIERCE, FENNER & SMITH INC.10% owner
Joint filing · amounts unallocated		PurchaseCOMMON STOCKNon-derivative security · Code P1,00010.3191 *Value: 10,319.1Currency not specifiedView ↗
Trade:
Banc of America Preferred Funding Corp10% owner
Joint filing · amounts unallocated		Other acquisitionAdjustable Rate MuniFund Term Preferred SharesNon-derivative security · Code J1,000Not reported *Value: Not reportedCurrency not specifiedView ↗
Trade:
MERRILL LYNCH, PIERCE, FENNER & SMITH INC.10% owner
Joint filing · amounts unallocated		PurchaseCOMMON STOCKNon-derivative security · Code P6,44010.56Value: 68,006.4Currency not specifiedView ↗

Reporting owners are associated with a filing. Jointly reported amounts are not allocated to individual owners. Historical coverage is still being built. Read the methodology →